Feature Availability

Platform-specific feature support across Helium SDKs

Last updated on: 2/2/26

Feature	iOS	Android	ReactNative	Flutter
Purchase Handling
Default purchase delegate	✅	✅	✅	✅
Custom purchase delegate	✅	✅	✅	✅
RevenueCat delegate	✅	✅	✅	🚫
Helium Events
Listen for events via delegate	✅	✅	✅	✅
Add global event listener	✅	✅	🚫	🚫
Paywall event handlers	✅	✅	✅	✅
Custom paywall actions	✅	✅	✅	✅
Paywall Options
Second try flow	✅	✅	✅	✅
“Should Show” for presented paywall	✅	✅	✅	✅
Dark mode support	✅	✅	✅	✅
Disable scroll	✅	✅	✅	✅
Automatic safe area support	✅	🚫	✅	✅
Intro offers	✅	✅	✅	✅
Presentation Options
Modal presentation	✅	✅	✅	✅
Modal presentation callbacks	✅	✅	✅	✅
Embedded view	✅	✅	🚫	✅
Embedded view callbacks	✅	✅	🚫	✅
Loading State
For modal presentation	✅	✅	✅	✅
For embedded view	✅	✅	🚫	🚫
Loading budget customizable	✅	✅	✅	✅
Loading budget per trigger	✅	✅	✅	✅
Fallbacks
Fallbacks support	✅	✅	✅	✅
onFallback callback with presentUpsell	✅	✅	✅	🚫
forceShowFallback flag	✅	🚫	✅	✅
Entitlements
Option to check entitlements for paywall before showing	✅	✅	✅	✅
hasAnySubscription/hasAnyEntitlement helpers	✅	✅	✅	✅
Entitlement persistence	✅	🚫	🚫	🚫
Cache per-trigger entitlement	✅	🚫	🚫	🚫
Testing
QR code scan	✅	✅	✅	✅
Logging
Logging levels	✅	✅	🚫	🚫
Analytics
Custom user traits	✅	✅	✅	✅
Custom paywall traits	✅	✅	✅	✅
Revenue tracking	✅	✅	✅	✅
Experimentation
Allocations	✅	✅	✅	✅